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Java > Open Source Codes > org > apache > jmeter > timers > GaussianRandomTimer


1 // $Header: /home/cvs/jakarta-jmeter/src/components/org/apache/jmeter/timers/GaussianRandomTimer.java,v 1.4 2004/02/13 01:39:06 sebb Exp $
2 /*
3  * Copyright 2001-2004 The Apache Software Foundation.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17 */
18
19 package org.apache.jmeter.timers;
20
21 import java.io.Serializable JavaDoc;
22
23 import org.apache.jmeter.util.JMeterUtils;
24
25 /**
26  * This class implements those methods needed by RandomTimer
27  * to be instantiable and implements a random delay with
28  * an average value and a gaussian distributed variation.
29  *
30  * @author <a HREF="mailto:stefano@apache.org">Stefano Mazzocchi</a>
31  * @author <a HREF="mailto:seade@backstagetech.com.au">Scott Eade</a>
32  * @version $Id: GaussianRandomTimer.java,v 1.4 2004/02/13 01:39:06 sebb Exp $
33  */
34 public class GaussianRandomTimer extends RandomTimer implements Serializable JavaDoc
35 {
36     public long delay()
37     {
38         return (long) Math.abs(
39             (this.random.nextGaussian() * getRange()) + super.delay());
40     }
41
42     public String JavaDoc toString()
43     {
44         return JMeterUtils.getResString("gaussian_timer_memo");
45     }
46 }
47
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